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resolv_conf: release lock on allocation failure (bug 30527)

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When the initial allocation of global fails, the local lock is left
locked.

Reported by Steffen Lammel of SAP HANA development.
This commit is contained in:
Andreas Schwab 2023-06-07 11:21:48 +02:00
parent 85e6d8b417
commit abcf8db7fa
1 changed files with 4 additions and 1 deletions
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5
resolv/resolv_conf.c
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@ -93,7 +93,10 @@ get_locked_global (void)
{
global_copy = calloc (1, sizeof (*global));
if (global_copy == NULL)
return NULL;
{
__libc_lock_unlock (lock);
return NULL;
}
atomic_store_relaxed (&global, global_copy);
resolv_conf_array_init (&global_copy->array);
}